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प्रश्न
Give three examples for leavers of second order.
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उत्तर
Levers of second order:
(i) Lock and key
(ii) Opener of soda water bottle
(iii) Closing a door
संबंधित प्रश्न
What is a lever?
The lever for which the mechanical advantage is less than 1 has :
Class II levers are designed to have ______.
Define Lever
The following belong to which class of lever?
A fire tongs
The following belong to which class of lever?
Wheelbarrow
Shears, used for cutting metals and scissors used for cutting clothes are both examples of levers of the first order. However, whereas the shears always have short blades and long handles, the scissors often have blades much longer than the handles. Explain, why this is so?
The following are an example of levers. State the class of lever to which each one belongs giving the relative positions of Load (L), Effort (E), Fulcrum (F):
(i) Scissors (ii) Sugar tongs (iii) Nutcracker (iv) Pliers.
When we want to use a machine as a force multiplier, which class of lever should we preferably use? Give a simple diagram of such a lever.
A lever is used to multiply the force.
